Home / 87,253.13-130,872.40-34,648.49

Finding the Fourth Proportional to 87,253.13, 130,872.40 and 34,648.49

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Solution

The fourth proportional to 87,253.13, 130,872.40 and 34,648.49 is: 51,969.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,253.13 : 130,872.40 = 34,648.49 : x
  2. Step 2: Convert to fraction form
    87,253.13/130,872.40 = 34,648.49/x
  3. Step 3: Cross multiply
    87,253.13x = 130,872.40 × 34,648.49
  4. Step 4: Simplify right side
    87,253.13x = 4,534,531,283.24
  5. Step 5: Solve for x
    x = 4,534,531,283.24/87,253.13
  6. Step 6: Final answer
    x = 51,969.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.